265 FZNT31 KNHC 101459 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1059 AM EDT Mon Sep 10 2018 Marine Weather HF Voice Broadcast for the Tropical N Atlantic from 07N to 22N between 55W and 64W, the SW N Atlantic S of 31N W of 65W including Bahamas, and the Caribbean Sea. Seas given as significant wave height, which is the average height of the highest 1/3 of the waves. Individual waves may be more than twice the significant wave height. Synopsis for Caribbean Sea and Tropical N ATLC from 07N to 19N between 55W and 64W .SYNOPSIS...Hurricane Isaac near 14.7N 43.9W 993 mb at 11 AM EDT moving W at 12 kt. Maximum sustained winds 65 kt gusts 80 kt. Isaac will move to 14.9N 45.9W this evening, 15.0N 48.7W Tue morning, 15.0N 51.4W Tue evening, 15.1N 54.0W Wed morning, and 15.4N 59.4W Thu morning. Isaac will weaken to a tropical storm near 15.5N 64.5W early Fri. NW Caribbean W of 85W .THIS AFTERNOON...SE winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...SE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 20 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED...S of 18N, E winds 10 to 15 kt. Elsewhere, E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .WED NIGHT...E winds 10 to 15 kt S of 18N, and E less than 10 kt elsewhere. Seas 3 ft. .THU...E winds 10 to 15 kt. Seas 3 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. Caribbean from 11N to 15N W of 72W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .WED...E winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .THU...E winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 4 ft. SW Caribbean S of 11N .THIS AFTERNOON...NE winds less than 10 kt. Seas 3 ft. .TONIGHT...N winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .TUE...N winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .WED...E winds 10 to 15 kt, shifting to NE in the afternoon. Seas 3 to 4 ft. .WED NIGHT...E winds less than 10 kt. Seas 3 ft. .THU...E winds less than 10 kt. Seas 3 ft. .THU NIGHT...E winds less than 10 kt. Seas 3 ft. .FRI...SE winds less than 10 kt. Seas 3 ft. Caribbean between 64W and 72W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 20 kt. Gulf of Venezuela, seas 3 ft in the morning, subsiding to 2 ft or less. Elsewhere, seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .WED...Gulf of Venezuela, NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Elsewhere, E winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds less than 10 kt Gulf of Venezuela, and NE 10 to 20 kt elsewhere. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .THU...TROPICAL STORM CONDITIONS POSSIBLE. .THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .THIS AFTERNOON...E winds less than 10 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 20 to 30 kt. Seas 5 to 7 ft, building to 7 to 10 ft after midnight. .WED...HURRICANE CONDITIONS POSSIBLE. NE winds 20 to 30 kt, increasing to 60 to 70 kt in the afternoon. Seas 8 to 11 ft, building to 9 to 14 ft in the afternoon. .WED NIGHT...HURRICANE CONDITIONS POSSIBLE. .THU...HURRICANE CONDITIONS POSSIBLE. .THU NIGHT...HURRICANE CONDITIONS POSSIBLE. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .THIS AFTERNOON...E winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 20 to 30 kt. Seas 5 to 7 ft. .WED...HURRICANE CONDITIONS POSSIBLE. NE winds 20 to 30 kt, becoming N 55 to 65 kt in the afternoon. Seas 7 to 10 ft. .WED NIGHT...HURRICANE CONDITIONS POSSIBLE. .THU...HURRICANE CONDITIONS POSSIBLE. .THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. Synopsis for the the SW N ATLC including the Bahamas .SYNOPSIS...Hurricane Florence near 25.0N 60.0W 962 mb at 11 AM EDT moving W at 11 kt. Maximum sustained winds 100 kt gusts 120 kt. Florence will move to 25.5N 61.9W this evening, 26.4N 64.7W Tue morning, 27.8N 67.9W Tue evening, 29.5N 71.0W Wed morning, north of the area near 33.0N 76.3W Thu morning. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...S winds 10 kt. Seas 5 ft. .TONIGHT...Variable winds less than 10 kt. Seas 4 to 5 ft. .TUE...Variable winds less than 10 kt. Seas 5 to 6 ft. .TUE NIGHT...Variable winds less than 10 kt. Seas 6 to 8 ft. .WED...TROPICAL STORM CONDITIONS POSSIBLE. N winds 10 to 20 kt. Seas 7 to 10 ft. .WED NIGHT...HURRICANE CONDITIONS POSSIBLE. .THU...TROPICAL STORM CONDITIONS POSSIBLE. .THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. ATLC waters from 27N to 31N between 65W and 77W ...HURRICANE WARNING... .THIS AFTERNOON...NE winds 10 to 15 kt. Seas 6 to 8 ft. .TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. W of 70W, NE winds 10 to 15 kt,Seas 5 to 7 ft. Elsewhere, N winds 15 to 25 kt, increasing to 25 to 35 kt after midnight,Seas 7 to 10 ft, building to 8 to 13 ft after midnight. .TUE...HURRICANE CONDITIONS EXPECTED. W of 70W, N winds 10 to 20 kt,Seas 7 to 10 ft. Elsewhere, N winds 50 to 60 kt, becoming NE 105 to 125 kt in the afternoon,Seas 11 to 16 ft, building to 17 to 27 ft in the afternoon. .TUE NIGHT...HURRICANE CONDITIONS EXPECTED. W of 70W, N winds 20 to 30 kt, increasing to 60 to 70 kt after midnight,Seas 8 to 13 ft, building to 14 to 19 ft after midnight. Elsewhere, SE winds 110 to 130 kt,Seas 21 to 31 ft. .WED...HURRICANE CONDITIONS POSSIBLE. W of 70W, NW winds 110 to 130 kt,Seas 19 to 29 ft in the afternoon. Elsewhere, S winds 105 to 125 kt, diminishing to 35 to 45 kt in the afternoon,Seas 11 to 16 ft in the afternoon. Seas 16 to 26 ft. .WED NIGHT...HURRICANE CONDITIONS POSSIBLE. .THU...TROPICAL STORM CONDITIONS POSSIBLE. .THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .FRI...W of 70W, SE winds 15 to 25 kt, shifting to E 10 to 15 kt in the afternoon. Elsewhere, E winds 10 to 15 kt. Seas 8 to 11 ft W of 70W, and 7 to 8 ft elsewhere. Bahamas N of 22N .THIS AFTERNOON...E winds less than 10 kt. Seas 3 ft. .TONIGHT...NE winds less than 10 kt. Seas 3 ft. .TUE...NE winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .WED...E winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas ...HURRICANE WARNING... .THIS AFTERNOON...NE winds 10 to 15 kt. Seas 6 to 8 ft. .TONIGHT...HURRICANE CONDITIONS POSSIBLE. NE winds 10 to 15 kt W of 70W, and NW 20 to 30 kt elsewhere. W of 70W, seas 5 to 7 ft. Elsewhere, seas 7 to 10 ft, building to 8 to 13 ft after midnight. .TUE...TROPICAL STORM CONDITIONS EXPECTED. W of 70W, N winds 10 to 20 kt,Seas 7 to 10 ft. Elsewhere, NW winds 75 to 85 kt, becoming SW 105 to 125 kt in the afternoon,Seas 11 to 16 ft, building to 15 to 20 ft in the afternoon. .TUE NIGHT...TROPICAL STORM CONDITIONS EXPECTED. W of 70W, NW winds 20 to 30 kt,Seas 8 to 11 ft, building to 9 to 14 ft after midnight. Elsewhere, SW winds 50 to 60 kt, becoming S 30 to 40 kt after midnight,Seas 14 to 19 ft, subsiding to 11 to 16 ft after midnight. .WED...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 15 to 25 kt. W of 70W, seas 9 to 14 ft. Elsewhere, seas 9 to 14 ft, subsiding to 8 to 11 ft in the afternoon. .WED NIGHT...SE winds 10 to 15 kt. Seas 8 to 13 ft W of 70W, and 7 to 9 ft elsewhere. .THU...E winds 10 to 15 kt. Seas 7 to 9 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 7 to 8 ft. .FRI...E winds 10 to 15 kt. Seas 7 to 8 ft. ATLC waters S of 22N W of 65W .THIS AFTERNOON...NE winds less than 10 kt. Seas 4 to 6 ft. .TONIGHT...NE winds less than 10 kt. Seas 5 to 7 ft. .TUE...E winds less than 10 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...S winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 6 to 8 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 6 to 8 ft. .TUE...E winds 10 to 15 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .WED...E winds 10 to 20 kt. Seas 8 to 11 ft. .WED NIGHT...E winds 15 to 20 kt. Seas 8 to 11 ft. .THU...E winds 10 to 20 kt. Seas 8 to 11 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 8 to 11 ft. .FRI...E winds 10 to 20 kt. Seas 7 to 10 ft.